At the present stage,many have begun to realize that any radical extremist organizations are purposefully working to achieve their political ambitions and goals and have begun to affect the national and regional security of entire regions seriously.　　The purpose of this work is to study modern radical organizations and their impact on national and regional security and its sources of funding.　　By the goal,the following research objectives were identified:　　Analyze global threats,modern challenges and the problem of modern radical organizations for regional security;　　investigate the forms of youth involvement in some terrorist organizations;　　analysis of sources of financing of terrorist and extremist organizations;　　analyze the impact of religious extremism on the national security of the Central Asian states;　　analysis of international terrorism as a factor in the destabilization of the situation in Central Asia;　　explore the specifics of international terrorism,radical religious extremism,and separatism;　　explore the cooperation of the Central Asian states in countering terrorism,extremism and radical organizations;　　analyze the main trends in the politicization of Islam in Central Asia;　　consider forms of manifestation of religious extremism on the security of Central Asia;　　to investigate the forms of manifestation of internal terrorism in the states of Central Asia;　　Analyze the prospects of countering religious extremism and international terrorism in the CAR.　　The object of research is radical organizations,and the subject of research is the activities of these organizations and the activities of specific structures and countries to counter them.　　The novelty of the work consists in the fact that when I studied the existing literature-scientific works,materials of international conferences and publications,I periodically made an attempt to analyze the influence of modern radical organizations on national and regional security alongside with investigation the forms of involving young people in a number of terrorist organizations and to analyze the sources of financing of terrorist and extremist organizations as well.　　The degree of knowledge of the problem.Interest in the religious extremism,in this case,arose in the80s and was connected not least with the events in the Middle East.The crisis of Arab nationalism due to the defeat of the Arab-Iranian wars caused a surge of fundamentalist sentiment in Muslim countries,including in the most radical forms(as,for example,in Lebanon).